And first today, we're taking you to Central Africa, where an outbreak of the deadly Ebola virus has been reported in the Democratic Republic of Congo. It's been hit before. There have been eight outbreaks here since Ebola was first recognized in 197

发表于:2018-12-20 / 阅读(78) / 评论(0) 分类 CNN美国有线新闻2017年7月

New Breast Cancer Treatment Shows Great Promise There's some promising news about breast cancer treatment. In clinical trials at Johns Hopkins Cancer Center in Baltimore, Maryland, doctors report they successfully pumped cancer-fighting medicine dire

发表于:2019-01-13 / 阅读(63) / 评论(0) 分类 VOA标准英语2011年(十二月)

By Carol Pearson Washington 03 July 2007 A second cervical cancer vaccine has passed a key clinical trial and its maker is seeking to use the vaccine in countries around the world. As VOA's Carol Pearson reports, more women may be able to use this ne

发表于:2019-01-16 / 阅读(206) / 评论(0) 分类 2007年VOA标准英语(七月)

Heres an easy way to find out if someone is a narcissist. Just ask them. Thats according to a study in the journal PLoS One. Researchers posed the following question to more than two thousand people: To what extent do you agree with this statement: I

发表于:2019-01-20 / 阅读(69) / 评论(0) 分类 2014年Scientific American(九)月

By Melinda Smith Washington 17 April 2008 The controversial relationship in the United States between the medical profession and the drug industry is in the spotlight. A prominent medical publication, The Journal of the American Medical Association ,

发表于:2019-01-31 / 阅读(61) / 评论(0) 分类 VOA常速英语2008年(四月)

Chinese and American scientists have developed a new antibody targeting the MERS virus, which has, to date, killed 19 people and infected over 150 in South Korea. But Shanghai-based Fudan University has been working with the US National Institute of

发表于:2019-02-03 / 阅读(86) / 评论(0) 分类 cctv9英语新闻2015年